The summer sales slump happens to almost everyone and it can cost you big money. Fortune 500 sales advisor Ryan Dohrn shares 9 ways to avoid the summer sales slump. Sales Tips from corporate sales training advisor Ryan Dohrn. Learn more online at http://SalesTrainingWorld.com . If you like Brian Tracy, Grant Cardone, Jeffrey Gitomer, David Hoffeld, Dan Waldschmidt or Gary Vaynerchuk you will love this podcast too.